90kg, 23 and 24mm wide rims with 23c tyres - 80 to 90psi standard. i couldn't tell you the last time i pinch flatted and i think the lower pressures help avoid slashing on the small rocks we seem to get a lot of in the shoulders around these parts - they seem to bounce away rather than dig into the sidewalls...

Carbons and extremes 90 front and 97-100 in the rear. In the wet 5psi less maybe another 5 if I thought it was really slipperyGot some arenburgs in the works looking forward to knocking the start pressures down 10psi

Well, I would always recommend different pressures for the front and rear. With my preferred hand-made 22's, I run 90-100 front and 100-110 rear, depend upon the road conditions. With a 'deep' set of race wheels, I will run a 25 on the rear, so will run a slightly lower pressure. If you are a bigger rider, I would not recommend running a new Hed/Zipp 'deep' rim bed on the rear without a 25 or less than 90psi for racing in good weather. The risk of pinch-flats is too high.

I am also trying-out tubeless tires as an experiment! I have been playing-around with the pressures and have been down as low as 70psi with no problems.

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